Firing pin retaining pin



FIG. 1 is a rear perspective view of a firing pin retaining pin showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a rear plan view thereof;

FIG. 7 is a front plan view thereof;

FIG. 8 is a front perspective view thereof; and,

FIG. 9 is a cross section taken along line 7-7 of FIG. 2.

The dashed line shown in FIG. 2 does not form part of the claimed design. 

CLAIM The ornamental design for a firing pin retaining pin, as shown and described. 